diff --git a/test/regress.c b/test/regress.c
index 71327559..01adaa33 100644
--- a/test/regress.c
+++ b/test/regress.c
@@ -94,8 +94,8 @@ static struct timeval tcalled;
 #endif
 
 #ifdef WIN32
-#define write(fd,buf,len) send((fd),(buf),(len),0)
-#define read(fd,buf,len) recv((fd),(buf),(len),0)
+#define write(fd,buf,len) send((fd),(buf),(int)(len),0)
+#define read(fd,buf,len) recv((fd),(buf),(int)(len),0)
 #endif
 
 struct basic_cb_args
@@ -1272,7 +1272,7 @@ test_event_base_new(void *ptr)
 	struct event ev1;
 	struct basic_cb_args args;
 
-	int towrite = strlen(TEST1)+1;
+	int towrite = (int)strlen(TEST1)+1;
 	int len = write(data->pair[0], TEST1, towrite);
 
 	if (len < 0)
@@ -1646,9 +1646,9 @@ evtag_int_test(void *ptr)
 
 	for (i = 0; i < TEST_MAX_INT; i++) {
 		int oldlen, newlen;
-		oldlen = EVBUFFER_LENGTH(tmp);
+		oldlen = (int)EVBUFFER_LENGTH(tmp);
 		evtag_encode_int(tmp, integers[i]);
-		newlen = EVBUFFER_LENGTH(tmp);
+		newlen = (int)EVBUFFER_LENGTH(tmp);
 		TT_BLATHER(("encoded 0x%08x with %d bytes",
 			(unsigned)integers[i], newlen - oldlen));
 		big_int = integers[i];
@@ -1723,9 +1723,9 @@ evtag_tag_encoding(void *ptr)
 
 	for (i = 0; i < TEST_MAX_INT; i++) {
 		int oldlen, newlen;
-		oldlen = EVBUFFER_LENGTH(tmp);
+		oldlen = (int)EVBUFFER_LENGTH(tmp);
 		evtag_encode_tag(tmp, integers[i]);
-		newlen = EVBUFFER_LENGTH(tmp);
+		newlen = (int)EVBUFFER_LENGTH(tmp);
 		TT_BLATHER(("encoded 0x%08x with %d bytes",
 			(unsigned)integers[i], newlen - oldlen));
 	}
diff --git a/test/regress.h b/test/regress.h
index ddaadec7..3cbd7cd2 100644
--- a/test/regress.h
+++ b/test/regress.h
@@ -62,7 +62,7 @@ extern int called;
 extern struct event_base *global_base;
 extern int in_legacy_test_wrapper;
 
-evutil_socket_t regress_make_tmpfile(const void *data, size_t datalen);
+int regress_make_tmpfile(const void *data, size_t datalen);
 
 struct basic_test_data {
 	struct event_base *base;
diff --git a/test/regress_buffer.c b/test/regress_buffer.c
index a4b9b31f..4f4a8303 100644
--- a/test/regress_buffer.c
+++ b/test/regress_buffer.c
@@ -491,7 +491,7 @@ test_evbuffer_expand(void *ptr)
 	buf = evbuffer_new();
 	evbuffer_add(buf, data, 400);
 	{
-		int n = buf->first->buffer_len - buf->first->off - 1;
+		int n = (int)(buf->first->buffer_len - buf->first->off - 1);
 		tt_assert(n < (int)sizeof(data));
 		evbuffer_add(buf, data, n);
 	}
@@ -595,7 +595,8 @@ test_evbuffer_add_file(void *ptr)
 	const char *data = "this is what we add as file system data.";
 	size_t datalen;
 	const char *compare;
-	evutil_socket_t fd = -1, pair[2] = {-1, -1};
+	int fd = -1;
+	evutil_socket_t pair[2] = {-1, -1};
 	int r=0, n_written=0;
 
 	/* Add a test for a big file. XXXX */
@@ -645,7 +646,7 @@ test_evbuffer_add_file(void *ptr)
 	tt_int_op(n_written, ==, datalen);
 
 	evbuffer_validate(src);
-	tt_int_op(evbuffer_read(src, pair[1], strlen(data)), ==, datalen);
+	tt_int_op(evbuffer_read(src, pair[1], (int)strlen(data)), ==, datalen);
 	evbuffer_validate(src);
 	compare = (char *)evbuffer_pullup(src, datalen);
 	tt_assert(compare != NULL);
diff --git a/test/regress_bufferevent.c b/test/regress_bufferevent.c
index d12fe27e..a120e516 100644
--- a/test/regress_bufferevent.c
+++ b/test/regress_bufferevent.c
@@ -189,7 +189,7 @@ static void
 wm_readcb(struct bufferevent *bev, void *arg)
 {
 	struct evbuffer *evbuf = evbuffer_new();
-	int len = evbuffer_get_length(bev->input);
+	int len = (int)evbuffer_get_length(bev->input);
 	static int nread;
 
 	assert(len >= 10 && len <= 20);
diff --git a/test/regress_et.c b/test/regress_et.c
index 94123499..1ab92313 100644
--- a/test/regress_et.c
+++ b/test/regress_et.c
@@ -97,7 +97,7 @@ test_edgetriggered(void *et)
 
 	called = was_et = 0;
 
-	send(pair[0], test, strlen(test)+1, 0);
+	send(pair[0], test, (int)strlen(test)+1, 0);
 	shutdown(pair[0], SHUT_WR);
 
 	/* Initalize the event library */
diff --git a/test/regress_http.c b/test/regress_http.c
index e9e9e654..96ad5103 100644
--- a/test/regress_http.c
+++ b/test/regress_http.c
@@ -127,7 +127,7 @@ http_setup(ev_uint16_t *pport, struct event_base *base)
 #define NI_MAXSERV 1024
 #endif
 
-static int
+static evutil_socket_t
 http_connect(const char *address, u_short port)
 {
 	/* Stupid code for connecting */
diff --git a/test/regress_main.c b/test/regress_main.c
index ca41333a..d4265dbb 100644
--- a/test/regress_main.c
+++ b/test/regress_main.c
@@ -107,7 +107,7 @@ static void dnslogcb(int w, const char *m)
 }
 
 /* creates a temporary file with the data in it */
-evutil_socket_t
+int
 regress_make_tmpfile(const void *data, size_t datalen)
 {
 #ifndef WIN32
@@ -147,7 +147,7 @@ regress_make_tmpfile(const void *data, size_t datalen)
 	if (tries == 0)
 		return (-1);
 	written = 0;
-	WriteFile(h, data, datalen, &written, NULL);
+	WriteFile(h, data, (DWORD)datalen, &written, NULL);
 	/* Closing the fd returned by this function will indeed close h. */
 	return _open_osfhandle((intptr_t)h,_O_RDONLY);
 #endif
diff --git a/test/test-changelist.c b/test/test-changelist.c
index 7a328f20..f854a2d3 100644
--- a/test/test-changelist.c
+++ b/test/test-changelist.c
@@ -143,7 +143,7 @@ main(int argc, char **argv)
 	struct event* timeout;
 	struct event_base* base;
 
-	int pair[2];
+	evutil_socket_t pair[2];
 	int res;
 	struct timeval tv;
 	struct cpu_usage_timer timer;
diff --git a/test/test-eof.c b/test/test-eof.c
index 3d4be93d..90b40938 100644
--- a/test/test-eof.c
+++ b/test/test-eof.c
@@ -78,7 +78,7 @@ main(int argc, char **argv)
 		return (1);
 
 
-	send(pair[0], test, strlen(test)+1, 0);
+	send(pair[0], test, (int)strlen(test)+1, 0);
 	shutdown(pair[0], SHUT_WR);
 
 	/* Initalize the event library */
diff --git a/test/test-weof.c b/test/test-weof.c
index 2423d217..0ea4d971 100644
--- a/test/test-weof.c
+++ b/test/test-weof.c
@@ -43,7 +43,7 @@ write_cb(evutil_socket_t fd, short event, void *arg)
 	const char *test = "test string";
 	int len;
 
-	len = send(fd, test, strlen(test) + 1, 0);
+	len = send(fd, test, (int)strlen(test) + 1, 0);
 
 	printf("%s: write %d%s\n", __func__,
 	    len, len ? "" : " - means EOF");